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09-01-2024
Mathematics

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A bag contains two white balls and 3 black balls. Four persons A,B,C and D in this order, draw a ball from the bag without replacement. The first person to draw a white ball is to receive Rs.20. Their respective expectations are
A. E(A)=8,E(B)=6,E(C)=4,E(D)=2
B. E(A)=6,E(B)=4,E(C)=8,E(D)=2
C. E(A)=4,E(B)=6,E(C)=2,E(D)=8
D. E(A)=8,E(B)=4,E(C)=6,E(D)=2

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